Sargent 8240 Mortise Lock, Lock Body Only, Classroom Security Intruder Function, Double Cylinder with Deadbolt

Sargent 8240 Mortise Lock, Lock Body Only, Classroom Security Intruder Function, Double Cylinder with Deadbolt, Grade 1, Field ReversibleThe Sargent 8240 Mortise Lock delivers heavy-duty performance for schools, universities, and other environments where lockdown readiness matters. Built as a lock body only, this Grade 1 unit features the Classroom Security Intruder function with a double cylinder and deadbolt, allowing staff to secure a room from inside or outside without stepping into a hallway during an emergency. Its field-reversible design simplifies installation on either handing, and the durable steel case is engineered to meet the demands of high-traffic commercial openings. As part of Sargent's proven 8200 Series, the 8240 offers reliable security and long-term dependability where safety is a priority.Features Classroom Security Intruder function lets occupants lock the door from inside or outside during a lockdown. Double cylinder design with a separate deadbolt for added security. Grade 1 certified for the highest level of commercial durability. Field-reversible handing for flexible, simplified installation. Supplied as a lock body only for use with compatible trim and cylinders. Part of the Sargent 8200 Series mortise lock platform. Functional DetailsThe Classroom Security Intruder function is designed for lockdown scenarios, giving authorized users the ability to lock the door quickly and safely without exposing themselves to a hallway threat. The latchbolt is operated by lever from either side except when secured, while the deadbolt provides an additional layer of protection. Latchbolt operated by lever from either side except when outside lever is locked by key in outside cylinder. Deadbolt thrown or retracted by key from either side. Inside lever always free for immediate egress. Auxiliary latch deadlocks latchbolt when door is closed. Product Specifications Manufacturer Sargent SKU 8240 Series 8200 Mortise Lock Series Function Classroom Security Intruder Grade ANSI/BHMA Grade 1 Configuration Double Cylinder with Deadbolt Product Type Lock Body Only Handing Field Reversible Origin Made in USA Unit of Measure Each UL Listing Type UL/cUL Listed for 3-hour fire door ANSI Number A156.13, Series 1000, Operational Grade 1 BAA Qualified Yes Limited Warranty Sargent Limited Warranty Technical Specifications Case Material Cold-rolled steel, zinc dichromate finish Backset 2-3/4 inches Latchbolt Throw 3/4 inch Deadbolt Throw 1 inch Case Depth 4 inches Case Height 6 inches Case Thickness 1 inch Faceplate Size 1-1/4 inch x 8 inch standard Door Thickness Range 1-3/4 inch standard (thicker doors available) Auxiliary Latch Deadlocking type Cylinder Type 1-1/8 inch mortise cylinder (both sides) Strike ANSI curved lip strike included